Potassium permanganate reagent is used for -
1. Oxidation of primary alcohol to carboxylic acid.
2. Oxidation of primary alcohol to aldehyde.
3. Bromination of phenol to 2,4,6-tribromophenol.
4. Dehydration of propan-2-ol to propene.

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol | Phenols: Preparation & Properties |
 85%
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The product formed on dehydration of propan-1-ol is -
1. 1-Propoxypropane  2. 2-Propoxypropane 
3. 1-Propoxyethane 4. 2-Ethoxypropane 

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol | Ethers: Preparation & Properties, Uses |
 66%
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The proposed mechanism for hydration of ethene to yield ethanol is as follows:

 The wrong step in the above mechanism is-

1. Step 1

2. Step 2

3. Step 3

4. Both steps 2 and 3

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol |
From NCERT
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